chore: ☂️ Migrate a ClipboardModuleTest test to AssertJ (#45600)

Summary:
Issue: #45596

## Changelog:

[Internal] [Changed] - Migrate ClipboardModuleTest to Assertj

Pull Request resolved: #45600

Reviewed By: zeyap

Differential Revision: D60120117

Pulled By: cortinico

fbshipit-source-id: 39720d81e0abad978515b8429f559df817303cd9

packages/react-native/ReactAndroid/src/test/java/com/facebook/react/modules/clipboard/ClipboardModuleTest.kt

@@ -11,8 +11,7 @@ import android.annotation.SuppressLint
 import android.content.ClipboardManager
 import android.content.Context
 import com.facebook.react.bridge.BridgeReactContext
-import org.junit.Assert.assertFalse
-import org.junit.Assert.assertTrue
+import org.assertj.core.api.Assertions.assertThat
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -37,13 +36,13 @@ class ClipboardModuleTest {
   @Test
   fun testSetString() {
     clipboardModule.setString(TEST_CONTENT)
-    assertTrue(clipboardManager.text == TEST_CONTENT)
+    assertThat(clipboardManager.text == TEST_CONTENT).isTrue()
     clipboardModule.setString(null)
-    assertFalse(clipboardManager.hasText())
+    assertThat(clipboardManager.hasText()).isFalse()
     clipboardModule.setString("")
-    assertFalse(clipboardManager.hasText())
+    assertThat(clipboardManager.hasText()).isFalse()
     clipboardModule.setString(" ")
-    assertTrue(clipboardManager.hasText())
+    assertThat(clipboardManager.hasText()).isTrue()
   }
 
   companion object {